Best Fertilizer for Climbing Plants & Vines (10-10-10): Balanced Nutrition for Vigorous Growth, Dense Coverage & Abundant Blooms Buy on Old Cobblers Farm
Climbers and vines need to do three things at once: extend stems, produce foliage for coverage, and bloom. A balanced 10-10-10 feeds all three demands equally — nitrogen for vine extension, phosphorus for flowering, and potassium for structural strength in long, exposed stems.
Old Cobblers Farm™ Wicked Growth Climbers & Vines Fertilizer
by Conventional Fertilizer — Littleton, NH
Feeds Growth, Coverage & Bloom Equally
Climbers need nitrogen for vine extension, phosphorus for flower production, and potassium for stem strength against wind and weight. 10-10-10 delivers all three in balance.
Supports Flowering Vines
10% phosphorus maintains bloom production in clematis, wisteria, honeysuckle, and jasmine. Consistent feeding through the season extends the bloom window.
Potassium for Stem Strength
Long climbing stems face wind, rain, and the weight of their own foliage. 10% potassium strengthens cell walls for stems that hold up under stress without snapping.
Per-Plant Dosing
½ cup for young or small vines, up to 2 cups for large established climbers like mature wisteria. Simple per-plant application at the base.
6–22 Plants Per Bag
One 5 lb bag feeds 6 large established climbers or up to 22 young vines per application. Scale to your trellis, arbor, or fence line.
Every 4–6 Weeks
Actively growing climbers are hungry plants. Feed every 4–6 weeks during the growing season to sustain the rapid stem extension and leaf production they're known for.
All Climber & Vine Species
Clematis, wisteria, climbing hydrangea, trumpet vine, honeysuckle, jasmine, passion vine, Virginia creeper, Boston ivy, grapevine — every climbing plant thrives on balanced feeding.
Trusted by 20,000+ Growers
Developed in Littleton, New Hampshire. Sold nationwide on Amazon, Walmart, eBay, and theoldcobblersfarm.com.
| NPK Ratio | 10-10-10 |
| Item Form | Granular |
| Coverage | ~6–22 plants per 5 lb bag |
| Category | Conventional Fertilizer |
| Type | Flower & Garden |
| Sizes | 5 lb | 10 lb | 15 lb | 20 lb |
| NPK | 10-10-10 |
| Nitrogen | 10% |
| Phosphorus | 10% available phosphate |
| Potassium | 10% soluble potash |
| Form | Granular |
| Rate | ½–2 cups / plant |
| Method | Side-dress at base or along trellis line |
| Frequency | Every 4–6 weeks |
| Sizes | 5, 10, 15, 20 lb bags |
| Best For | Clematis, wisteria, climbing hydrangea, trumpet vine, honeysuckle, all climbers |
| Feature | Old Cobblers Farm™ Wicked Growth Climbers & Vines Fertilizer Old Cobblers Farm | Rose-tone Espoma Organic | Water Soluble Rose Plant Food Miracle-Gro | Rose & Flower Granular Jobe's Organics | Total Advantage Rose & Flower Dr. Earth | All-In-One Rose & Flower Care BioAdvanced | Rose & Flower Mix Down To Earth | NutriStar Rose Food Nelson Plant Food | Rose & Bloom Continuous Release Scotts | Happy Frog Rose Food FoxFarm | Rose Plant Food Vigoro |
|---|---|---|---|---|---|---|---|---|---|---|---|
| NPK | 10-10-10 | 4-3-2 | 18-24-16 | 3-5-3 | 4-6-2 | 9-14-9 | 4-8-4 | 11-14-9 | 12-4-8 | 4-4-5 | 10-8-8 |
| Form | Granular | — | — | — | — | — | — | — | — | — | — |
| Coverage | ~6–22 plants per 5 lb bag | Not listed | Not listed | Not listed | Not listed | Not listed | Not listed | Not listed | Not listed | Not listed | Not listed |
| Price / Size | 5 lb | 10 lb | 15 lb | 20 lb | $12-$30 | $10 | $12-$28 | $15-$30 | $22-$35 | $16-$20 | $20-$30 | $15 | $20 | $10 |
| Our Take | The balanced formula for plants that grow vertically. Equal NPK sup... | — | — | — | — | — | — | — | — | — | — |
Rose-tone
Water Soluble Rose Plant Food
Rose & Flower Granular
Total Advantage Rose & Flower
All-In-One Rose & Flower Care
Rose & Flower Mix
NutriStar Rose Food
Rose & Bloom Continuous Release
Happy Frog Rose Food
Rose Plant Food
Feeds Growth, Coverage & Bloom Equally
Climbers need nitrogen for vine extension, phosphorus for flower production, and potassium for stem strength against wind and weight. 10-10-10 delivers all three in balance.
Supports Flowering Vines
10% phosphorus maintains bloom production in clematis, wisteria, honeysuckle, and jasmine. Consistent feeding through the season extends the bloom window.
Potassium for Stem Strength
Long climbing stems face wind, rain, and the weight of their own foliage. 10% potassium strengthens cell walls for stems that hold up under stress without snapping.
Per-Plant Dosing
½ cup for young or small vines, up to 2 cups for large established climbers like mature wisteria. Simple per-plant application at the base.
